I could monitor you could monitor he could monitor we could monitor you could monitor they could monitor
Forma com V-ing
I could be monitoring you could be monitoring he could be monitoring we could be monitoring you could be monitoring they could be monitoring
Perfeito
I could have monitored you could have monitored he could have monitored we could have monitored you could have monitored they could have monitored
Perfeito com V-ing
I could have been monitoring you could have been monitoring he could have been monitoring we could have been monitoring you could have been monitoring they could have been monitoring
Negação
Forma simple
I couldn't monitor you couldn't monitor he couldn't monitor we couldn't monitor you couldn't monitor they couldn't monitor
Forma com V-ing
I couldn't be monitoring you couldn't be monitoring he couldn't be monitoring we couldn't be monitoring you couldn't be monitoring they couldn't be monitoring
Perfeito
I couldn't have monitored you couldn't have monitored he couldn't have monitored we couldn't have monitored you couldn't have monitored they couldn't have monitored
Perfeito com V-ing
I couldn't have been monitoring you couldn't have been monitoring he couldn't have been monitoring we couldn't have been monitoring you couldn't have been monitoring they couldn't have been monitoring
Forma interrogativa
Forma simple
could I monitor? could you monitor? could he monitor? could we monitor? could you monitor? could they monitor?
Forma com V-ing
could I be monitoring? could you be monitoring? could he be monitoring? could we be monitoring? could you be monitoring? could they be monitoring?
Perfeito
could I have monitored? could you have monitored? could he have monitored? could we have monitored? could you have monitored? could they have monitored?
Perfeito com V-ing
could I have been monitoring? could you have been monitoring? could he have been monitoring? could we have been monitoring? could you have been monitoring? could they have been monitoring?
Forma interro-Negação
Forma simple
couldn't I monitor? couldn't you monitor? couldn't he monitor? couldn't we monitor? couldn't you monitor? couldn't they monitor?
Forma com V-ing
couldn't I be monitoring? couldn't you be monitoring? couldn't he be monitoring? couldn't we be monitoring? couldn't you be monitoring? couldn't they be monitoring?
Perfeito
couldn't I have monitored? couldn't you have monitored? couldn't he have monitored? couldn't we have monitored? couldn't you have monitored? couldn't they have monitored?
Perfeito com V-ing
couldn't I have been monitoring? couldn't you have been monitoring? couldn't he have been monitoring? couldn't we have been monitoring? couldn't you have been monitoring? couldn't they have been monitoring?